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September 7, 2026
Technical Support Engineer
Mid • On-site
Zagreb, Croatia
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Contract: B2B long-term cooperation, up to 12 months, with possible extensions
Working model: Onsite
Working hours: 08:00–16:30
Summary
The Technical Support Engineer role focuses on providing in-depth support and troubleshooting for complex technical issues, ensuring seamless software deployment, maintaining documentation, and collaborating with L1 and L3 support teams.
Responsibilities
- Support L3 teams with complex troubleshooting.
- Analyze, troubleshoot, and resolve tickets escalated by Support L1 teams.
- Test and deploy software releases and patches.
- Perform validation tests, including load, performance, high-availability, accuracy, and security tests.
- Investigate issues by analyzing logs during test execution and report incidents through a configuration management tool.
- Produce and update documentation for installation, testing, operations, and administration.
- Maintain documentation, troubleshooting guides, and knowledge base articles.
- Support the Service Delivery team with specific technical requests.
- Ensure SLA compliance and timely issue resolution.
Key Requirements
- Strong knowledge of Linux: Red Hat, CentOS, and Debian.
- Strong knowledge of Windows Server: 2016, 2019, and 2022.
- Good relational database knowledge: MSSQL, PostgreSQL, Oracle, and MongoDB.
- Good scripting knowledge: Python, PowerShell, and Bash.
- Good understanding of network protocols and security: TCP/IP, HTTP, and TLS.
- Knowledge of virtualization technologies: OpenStack, VMware, and Kubernetes.
- Knowledge of testing and monitoring tools: SOAPUI, Postman, Zabbix, Grafana, and Prometheus.
- Familiarity with ticketing and collaboration tools: Salesforce, Jira, and Confluence.
- Knowledge of DevSecOps tools and CI/CD: Jira, Testlink, Jenkins, Ansible, and Terraform.
Nice to Have
- Ability to read Java and/or JavaScript code.
- Advanced knowledge of automation in testing and deployment processes.
- Experience in a customer-focused environment.
- Prior experience in DevOps roles.
- Certifications in relevant technologies, such as AWS or Azure.
Other Details
- Team structure: Support and Service Delivery teams.
- Operational context: Fast-paced technical support environment.
- Tools and methodologies: Configuration management, documentation tools, and troubleshooting guides.
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